Mayo Clinic
Mayo Clinic:target Heart Rate Calculator
Check your target heart rate for safe and effective exercise according to your age and health status in this interactive heart rate calculator
PE Central
Pe Central: Pe Lesson Ideas: Partner Mile Run/heart Rate Calculation
While working (and running) with a partner, a student works on "improving fitness, calculating target heart rates, and prepar[ing] for the mile run physical fitness test." This website includes a "Partner Recording Sheet" that will help...
PBS
Pbs: Real Life Math: Physical Trainer
The general manager of a fitness center explains how numerical calculations, percentages, and ratios are critical to his job in this video from KAET. In the accompanying classroom activity, students explore percentages, fractions, and...